Quantitative Aptitude – TSD – Leaving home at the same time
Slot – 1 – Quantitative Aptitude – TSD – Leaving home at the same time
Q. Leaving home at the same time, amal reaches office at 10:15 am if he travels at 8 km/hr, and at 9:40 am if he travels at 15 km/hr, leaving home at 9:10 am, at what speed, in km/hr, must he travel so as to reach office exactly at 10 am?
14
11
13
12
Answer: 12
Solutions:
Solution: let the time taken at the speed of 8 kmph is t so
8/15 = (t – 35)/t
8t = 15t – 15*35
t = 75 min
so distance = 8*75/60 = 10 km
Now to reach at 10:00 am, he will need to cover 10 km in 50 minutes so speed = 10/(50/60) = 12 kmph
a) 1000+ Videos covering entire CAT syllabus b) 2 Live Classes (online) every week for doubt clarification c) Study Material & PDFs for practice and understanding d) 10 Mock Tests in the latest pattern e) Previous Year Questions solved on video